Construct InplaceOperationUnicodeAdd_27

Kay Hayen

2013-08-15 08:15

Performance Diagrams

Source Code with Construct

module_value1 = 5

additiv_global = u'*' * 500

def calledRepeatedly():
    # Force frame and eliminate forward propagation (currently).
    module_value1

    # Make sure we have a local variable s anyway
    s = u'2'

    additiv = additiv_global

    s += additiv
# construct_begin
    s += u'lala'
    s += u'lala'
    s += u'lala'
    s += u'lala'
    s += u'lala'
# construct_end
    s += additiv

    return s

import itertools
for x in itertools.repeat(None, 5000):
    calledRepeatedly()

print("OK.")

Source Code without Construct

module_value1 = 5

additiv_global = u'*' * 500

def calledRepeatedly():
    # Force frame and eliminate forward propagation (currently).
    module_value1

    # Make sure we have a local variable s anyway
    s = u'2'

    additiv = additiv_global

    s += additiv
# construct_begin






    s += additiv

    return s

import itertools
for x in itertools.repeat(None, 5000):
    calledRepeatedly()

print("OK.")

Context Diff of Source Code

	Construct			Baseline
	31			31
	32	additiv = additiv_global		32	additiv = additiv_global
	33			33
	34	s += additiv		34	s += additiv
	35	# construct_begin		35	# construct_begin
t	36	s += u'lala'	t	36
	37	s += u'lala'		37
	38	s += u'lala'		38
	39	s += u'lala'		39
	40	s += u'lala'		40
	41	# construct_end		41
	42	s += additiv		42	s += additiv
	43			43
	44	return s		44	return s
	45			45
	46	import itertools		46	import itertools